National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.
Port Isaac
Tide Levels and HarmonicsLatest Tide Data (Predicted Tide Table)
| Time (GMT) | Elevation | Residual |
|---|---|---|
| 09-12-2025 17:20 | 3.69 | 0.12 |
| Next HW | Next LW |
|---|---|
| 20:43, 6.80 | 02:59, 1.86 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 05-11 | 8.38m | 30-03 | -0.05m |
Port Isaac Predicted Tide Table (Chart Datum)
| 09-12-2025 | 10-12-2025 | 11-12-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:14 20:43 | 7.28m 6.80m | High | 09:04 21:34 | 6.93m 6.43m | High | 09:58 22:30 | 6.58m 6.12m |
| Low | 02:09 14:44 | 1.51m 1.56m | Low | 02:59 15:37 | 1.86m 1.91m | Low | 03:51 16:32 | 2.18m 2.22m |
| 12-12-2025 | 13-12-2025 | 14-12-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 10:57 23:31 | 6.30m 5.92m | High | 12:00 | 6.12m | High | 00:36 13:04 | 5.87m 6.08m |
| Low | 04:48 17:31 | 2.44m 2.45m | Low | 05:51 18:34 | 2.60m 2.54m | Low | 06:56 19:35 | 2.61m 2.50m |
